CN116199970B - Water-resident master batch, preparation method and application thereof in preparation of melt-blown cloth - Google Patents
Water-resident master batch, preparation method and application thereof in preparation of melt-blown cloth Download PDFInfo
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- CN116199970B CN116199970B CN202211681694.0A CN202211681694A CN116199970B CN 116199970 B CN116199970 B CN 116199970B CN 202211681694 A CN202211681694 A CN 202211681694A CN 116199970 B CN116199970 B CN 116199970B
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- water
- melt
- electret
- blown cloth
- master batch
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- 239000004744 fabric Substances 0.000 title claims abstract description 120
- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 43
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 117
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 102
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 57
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 43
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 34
- 238000001035 drying Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000012986 modification Methods 0.000 claims abstract description 27
- 230000004048 modification Effects 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 25
- 239000004743 Polypropylene Substances 0.000 claims abstract description 18
- -1 polypropylene Polymers 0.000 claims abstract description 18
- 229920001155 polypropylene Polymers 0.000 claims abstract description 18
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 12
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims abstract description 12
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 12
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000008117 stearic acid Substances 0.000 claims abstract description 12
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 12
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 3
- 230000008018 melting Effects 0.000 claims abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 17
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000377 silicon dioxide Substances 0.000 claims description 15
- 239000007864 aqueous solution Substances 0.000 claims description 13
- 238000001291 vacuum drying Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000005469 granulation Methods 0.000 claims description 10
- 230000003179 granulation Effects 0.000 claims description 10
- 239000000155 melt Substances 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 10
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 10
- 239000012498 ultrapure water Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 8
- 229920000858 Cyclodextrin Polymers 0.000 claims description 5
- 239000001116 FEMA 4028 Substances 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- 230000003078 antioxidant effect Effects 0.000 claims description 5
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 claims description 5
- 235000011175 beta-cyclodextrine Nutrition 0.000 claims description 5
- 229960004853 betadex Drugs 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 5
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 5
- 238000000967 suction filtration Methods 0.000 claims description 5
- 239000000375 suspending agent Substances 0.000 claims description 5
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- 238000004383 yellowing Methods 0.000 abstract description 9
- 230000003068 static effect Effects 0.000 abstract description 8
- 238000005303 weighing Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 241000381602 Vachellia nebrownii Species 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/544—Olefin series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/72—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/61—Polyamines polyimines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a water electret master batch, a preparation method and application thereof in preparation of melt-blown cloth, belonging to the technical field of melt-blown cloth production; the water-resident master batch comprises polypropylene resin, superfine calcium carbonate, ethylene bis-stearamide, modified nano silicon dioxide, zinc stearate, an antioxidant 1010 and stearic acid; the preparation method of the water-resident master batch comprises the steps of weighing the raw materials according to preset weight portions, mixing at high speed, melting, extruding and granulating to obtain the water-resident master batch; the application of the water-resident master batch in the preparation of melt-blown cloth comprises the following steps: producing melt-blown cloth, preparing a electret liquid, carrying out electret, surface spray modification and drying; the invention can solve the problem of incomplete drying of the water-resident pole melt-blown cloth while ensuring that the water-resident pole melt-blown cloth can not generate static attenuation for a long time, avoid the problems of hardening and later yellowing of the cloth, and improve the toughness and strength of the water-resident pole melt-blown cloth.
Description
Technical Field
The invention relates to the technical field of melt-blown cloth production, in particular to a water electret master batch, a preparation method and application thereof in melt-blown cloth preparation.
Background
The water residence is a residence process for making the melt-blown fabric static in the melt-blown fabric production process, and the process can be that the melt-blown fabric static amount is saturated and the static residence time is long. The difference with the traditional melt-blown cloth electret process is that: the traditional melt-blown cloth uses a corona electret, the surface electret is obvious, but the filtration efficiency can not reach the peak value, the storage can be reduced along with the time, and the electrostatic attenuation of the surface of the material is obvious; the water electret melt-blown cloth is saturated in electrostatic quantity, and the water electret charging mode can be used for oil detection and salt detection, so that the problems of improvement of filtration efficiency and reduction after storage of the melt-blown cloth in the mask industry can be effectively solved.
The water electret method comprises the steps of melt-blowing cloth generation, pure water preparation, water electret working procedures and drying processes, wherein the melt-blowing cloth is formed by selecting electret high-fluidity polypropylene, and a small amount of water electret master batch is injected; the pure water is prepared by selecting tap water as a water source, filtering the water source by a sand tank and filtering by activated carbon, injecting a reverse osmosis agent and hydrochloric acid into the filtered water source, performing reverse osmosis membrane secondary filtration on the water source, automatically detecting that alkaline industrial reagent is injected into the filtered water source, and smoothly completing the preparation of the pure water; the water residence process is to convey the prepared pure water to a fan-shaped nozzle by using a high-pressure water pump, the fan-shaped nozzle carries out water jet spraying on melt-blown cloth, charges are generated by friction between water and melt-blown fibers, and water jet residence is successfully completed; the drying process is that the melt-blown cloth after the water thorn is resided in the pole is sent into a drying box by utilizing a conveying net, and is dried by hot air, and is cut and wound after being dried.
The water electret worker can effectively solve the problems that the filtration efficiency of the melt-blown cloth electrode in the mask industry is improved and reduced after storage, static electricity is not attenuated and is low in resistance, the electret melt-blown cloth is static saturated, the attenuation of the water electret melt-blown cloth is fast, but in the drying process of the water electret, the problem that drying is not thorough easily exists, the hardening and later yellowing of the melt-blown cloth fabric are caused, and the toughness and strength of the water electret melt-blown cloth are low.
In order to solve the problems, the most common method is to add an anti-yellowing agent and a reinforcing agent to the water-resident master batch, but the addition of the anti-yellowing agent and the reinforcing agent can lead to the accelerated electrostatic attenuation of the water-resident melt-blown fabric. According to the method, the problem that the drying of the water electret melt-blown fabric is not thorough is solved while the static decay of the water electret melt-blown fabric can not occur for a long time is solved, the problems of fabric hardening and later yellowing are avoided, and the toughness and strength of the water electret melt-blown fabric are improved, so that the method is a technical problem to be solved urgently at present.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a water electret master batch, a preparation method and application thereof in preparation of melt-blown cloth, which can solve the problem of incomplete drying of the water electret melt-blown cloth while ensuring that the water electret melt-blown cloth cannot generate static attenuation for a long time, avoid the problems of hardening and later yellowing of the fabric, and improve the toughness and strength of the water electret melt-blown cloth.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the water electret master batch comprises the following components in parts by weight: 150-160 parts of polypropylene resin, 30-40 parts of superfine calcium carbonate, 3-5 parts of ethylene bis stearamide, 12-15 parts of modified nano silicon dioxide, 1.5-3 parts of zinc stearate, 2-3 parts of antioxidant 1010,1-2 parts of stearic acid;
the melt index of the polypropylene resin is 1200-1400g/10min at 230 ℃ under the condition of 2.16 kg;
the grain diameter of the superfine calcium carbonate is 0.03-0.05 mu m;
the preparation method of the modified nano silicon dioxide comprises the following steps: adding nano silicon dioxide into absolute ethyl alcohol, and stirring at 40-45 ℃ to obtain silicon dioxide suspension; adding a silicon dioxide suspension and a silane coupling agent KH-560 into a reaction kettle, vacuumizing the reaction kettle to a vacuum degree of 0.096-0.098MPa, introducing nitrogen into the reaction kettle until the gas pressure of the nitrogen is 0.12-0.15MPa, controlling the temperature of the reaction kettle to 30-35 ℃, stirring for 40-45min, adding a dimethyl diallyl ammonium chloride aqueous solution and ammonium persulfate into the reaction kettle, continuously stirring for 1-1.2h to obtain a mixed solution, carrying out suction filtration on the mixed solution, then carrying out vacuum drying on filter residues, and obtaining the modified nano silicon dioxide after the vacuum drying is finished;
in the preparation of the modified nano silicon dioxide, the particle size of the nano silicon dioxide is 80-100nm;
in the preparation of the modified nano silicon dioxide, the weight ratio of the nano silicon dioxide to ethanol is 1:60-65;
in the preparation of the modified nano silicon dioxide, the weight ratio of the silicon dioxide suspending agent to the silane coupling agent KH-560 to the dimethyl diallyl ammonium chloride aqueous solution to the ammonium persulfate is 60:2-3:3-5:0.1-0.15;
in the preparation of the modified nano silicon dioxide, the mass fraction of the dimethyl diallyl ammonium chloride in the dimethyl diallyl ammonium chloride aqueous solution is 60-62%.
The preparation method of the water-resident master batch comprises the steps of weighing polypropylene resin, superfine calcium carbonate, ethylene bis-stearamide, modified nano silicon dioxide, zinc stearate, antioxidant 1010 and stearic acid according to preset weight portions, adding the polypropylene resin, the superfine calcium carbonate, the ethylene bis-stearamide, the modified nano silicon dioxide, the zinc stearate, the antioxidant 1010 and the stearic acid into a high-speed mixer for high-speed mixing, obtaining a premix after the high-speed mixing is finished, adding the premix into a double-screw extruder for melt extrusion granulation, and obtaining the water-resident master batch after the melt extrusion granulation is finished;
the rotating speed during high-speed mixing is 1800-2000rpm, and the time is 4-6min;
the temperature of the double-screw extruder is as follows: 180-185 ℃ in the first area, 190-195 ℃ in the second area, 200-210 ℃ in the third area, 210-220 ℃ in the fourth area, 200-210 ℃ in the fifth area, 195-200 ℃ in the sixth area, 190-195 ℃ in the seventh area, and the twin-screw rotating speed is 150-200rpm.
An application of a water-resident master batch in the preparation of melt-blown cloth, comprising: producing melt-blown cloth, preparing a electret liquid, carrying out electret, surface spray modification and drying;
the method comprises the steps of producing melt-blown cloth, melting water electret master batches, then spraying out the melt-blown cloth through a spinneret plate, controlling the aperture of the spinneret plate to be 0.1-0.2mm, controlling the temperature to be 250-270 ℃, after spraying out the melt-blown cloth from the spinneret plate, drafting under the action of high-speed hot air, controlling the temperature of the high-speed hot air during drafting to be 190-210 ℃, controlling the frequency to be 40-50Hz, and cooling and bonding after the drafting is finished to obtain the melt-blown cloth;
the preparation of the electret liquid takes ultrapure water as the electret liquid for the electret step;
the method comprises the steps of (1) a electret, adding an electret liquid into a water-jet electret device, then performing water-jet electret treatment on melt-blown cloth by using the water-jet electret device, controlling the water pressure of a water-jet nozzle in the water-jet electret treatment to be 14-16bar, and obtaining the melt-blown cloth after the water-jet electret treatment is finished;
the surface is sprayed and modified, the modified liquid is uniformly sprayed to melt-blown cloth after the residence pole, and the spraying amount is controlled to be 10-15g/m 2 After the spraying is finished, melt-blown cloth with the surface subjected to spray modification is obtained;
in the surface spray modification, the modifying liquid comprises the following components in parts by weight: 5-8 parts of polyvinyl alcohol 1788,2-4 parts of sodium hexametaphosphate, 1-2 parts of beta-cyclodextrin, 0.2-0.3 part of polyvinyl amine and 100-105 parts of ultrapure water;
the drying is carried out, the melt-blown cloth with the surface sprayed and modified is led into a closed oven, then mixed gas of air and nitrogen is led into the closed oven for drying, the water content of the melt-blown cloth with the surface sprayed and modified is measured every 1-2min in the drying process, and when the water content in the melt-blown cloth reaches 6-7%, the melt-blown cloth with the surface sprayed and modified is led out to obtain water-resident melt-blown cloth;
in the drying process, the temperature of the mixed gas is 65-70 ℃, the volume ratio of air to nitrogen in the mixed gas is 6-7:1, and the introducing speed of the mixed gas is 50-60L/min.
Compared with the prior art, the invention has the beneficial effects that:
(1) The water electret master batch can ensure that the water electret melt-blown cloth cannot generate electrostatic attenuation for a long time, and the charge attenuation rate of the melt-blown cloth prepared by the water electret master batch is 1.8-2.3% after the melt-blown cloth is kept stand for 2 years under the environment that the temperature is 30 ℃ and the humidity is 60%;
(2) The water electret master batch can solve the problems of fabric hardening and later yellowing caused by incomplete drying of the water electret melt-blown fabric, and the melt-blown fabric prepared by the water electret master batch has the longitudinal softness of 135-143mN, the transverse softness of 152-165mN and no yellowing problem after standing for 2 years at the temperature of 30 ℃ and the humidity of 60%;
(3) The water electret master batch can improve the toughness of the water electret melt-blown cloth, and the melt-blown cloth prepared by the water electret master batch has the longitudinal elongation at break of 204-217% and the transverse elongation at break of 245-257%;
(4) The water electret master batch can improve the strength of the water electret melt-blown cloth, and the melt-blown cloth prepared by the water electret master batch has the longitudinal tensile strength of 80-87MPa and the transverse tensile strength of 93-98MPa.
Detailed Description
Specific embodiments of the present invention will now be described in order to provide a clearer understanding of the technical features, objects and effects of the present invention.
Example 1
The water electret master batch comprises the following components in parts by weight: 150 parts of polypropylene resin, 30 parts of superfine calcium carbonate, 3 parts of ethylene bis stearamide, 12 parts of modified nano silicon dioxide, 1.5 parts of zinc stearate, 2 parts of antioxidant 1010,1 parts of stearic acid;
the melt index of the polypropylene resin is 1200g/10min at 230 ℃ under the condition of 2.16 kg;
the particle size of the superfine calcium carbonate is 0.03 mu m;
the preparation method of the modified nano silicon dioxide comprises the following steps: adding nano silicon dioxide into absolute ethyl alcohol, and stirring for 40min at 40 ℃ at a stirring speed of 100rpm to obtain silicon dioxide suspension; adding a silicon dioxide suspension and a silane coupling agent KH-560 into a reaction kettle, vacuumizing the reaction kettle to a vacuum degree of 0.096MPa, introducing nitrogen into the reaction kettle to a gas pressure of 0.12MPa, controlling the temperature of the reaction kettle to 30 ℃, starting stirring and controlling the stirring speed to 150rpm, stirring for 40min, continuing stirring for 1h to obtain a mixed solution, carrying out suction filtration on the mixed solution, then carrying out vacuum drying on filter residues, controlling the temperature during vacuum drying to 60 ℃, the vacuum degree to 0.092MPa, and the time to 4h, and obtaining the modified nano silicon dioxide after the vacuum drying is finished;
the particle size of the nano silicon dioxide is 80nm;
wherein the weight ratio of the nano silicon dioxide to the ethanol is 1:60;
wherein the weight ratio of the silicon dioxide suspending agent to the silane coupling agent KH-560 to the dimethyl diallyl ammonium chloride aqueous solution to the ammonium persulfate is 60:2:3:0.1;
the mass fraction of the dimethyldiallylammonium chloride in the dimethyldiallylammonium chloride aqueous solution is 60 percent.
The preparation method of the water electret master batch specifically comprises the following steps: the preparation method comprises the steps of weighing polypropylene resin, superfine calcium carbonate, ethylene bis stearamide, modified nano silicon dioxide, zinc stearate, antioxidant 1010 and stearic acid according to preset weight portions, adding the materials into a high-speed mixer for high-speed mixing, controlling the rotating speed during high-speed mixing to be 1800rpm, controlling the time to be 4min, obtaining premix after high-speed mixing, adding the premix into a double-screw extruder for melt extrusion granulation, and controlling the temperature of the double-screw extruder to be: one region 180 ℃, two regions 190 ℃, three regions 200 ℃, four regions 210 ℃, five regions 200 ℃, six regions 195 ℃, seven regions 190 ℃ and the twin-screw rotating speed of 150rpm, and obtaining the water electret master batch after the melt extrusion granulation.
The application of the water electret master batch in the preparation of melt-blown cloth comprises the following specific steps:
1. producing melt blown cloth: the water electret master batch is sprayed out through a spinneret plate after being melted, the aperture of the spinneret plate is controlled to be 0.1mm, the temperature is controlled to be 250 ℃, after being sprayed out from the spinneret plate, the water electret master batch is drafted under the action of high-speed hot air, the temperature of the high-speed hot air during the drafted is controlled to be 190 ℃, the frequency is 40Hz, and cooling and bonding are carried out after the drafted is finished, so that melt-blown cloth is obtained;
2. preparing a standing liquid: using ultrapure water as a electret liquid for an electret step;
3. pole-standing: adding the electret liquid into a water jet electret device, then carrying out water jet electret treatment on the melt-blown cloth by using the water jet electret device, controlling the water pressure of a water jet nozzle in the water jet electret treatment to be 14bar, and obtaining the melt-blown cloth after the water jet electret treatment is finished;
4. and (3) surface spray modification: uniformly spraying the modified liquid to the melt-blown cloth after the residence of the electrode, and controlling the spraying amount to be 10g/m 2 After the spraying is finished, melt-blown cloth with the surface subjected to spray modification is obtained;
the modified liquid consists of the following components in parts by weight: 5 parts of polyvinyl alcohol 1788,2 parts of sodium hexametaphosphate, 1 part of beta-cyclodextrin, 0.2 part of polyvinyl amine and 100 parts of ultrapure water;
5. and (3) drying: introducing the melt-blown fabric subjected to surface spray modification into a closed oven, then introducing mixed gas of air and nitrogen into the closed oven for drying, controlling the temperature of the mixed gas to be 65 ℃, controlling the volume ratio of the air to the nitrogen in the mixed gas to be 6:1, and measuring the water content of the melt-blown fabric subjected to surface spray modification every 1min in the drying process, and when the water content in the melt-blown fabric reaches 6%, guiding out the melt-blown fabric subjected to surface spray modification to obtain the water-resident electrode melt-blown fabric.
Example 2
The water electret master batch comprises the following components in parts by weight: 155 parts of polypropylene resin, 35 parts of superfine calcium carbonate, 4 parts of ethylene bis stearamide, 14 parts of modified nano silicon dioxide, 2 parts of zinc stearate, 2.5 parts of antioxidant 1010,1.5 parts of stearic acid;
the melt index of the polypropylene resin is 1300g/10min at 230 ℃ under the condition of 2.16 kg;
the particle size of the superfine calcium carbonate is 0.04 mu m;
the preparation method of the modified nano silicon dioxide comprises the following steps: adding nano silicon dioxide into absolute ethyl alcohol, and stirring for 42min at a stirring speed of 110rpm at 42 ℃ to obtain silicon dioxide suspension; adding a silicon dioxide suspension and a silane coupling agent KH-560 into a reaction kettle, vacuumizing the reaction kettle to a vacuum degree of 0.097MPa, introducing nitrogen into the reaction kettle to a gas pressure of 0.14MPa, controlling the temperature of the reaction kettle to 32 ℃, starting stirring and controlling the stirring speed to 160rpm, stirring for 42min, continuously stirring a dimethyl diallyl ammonium chloride aqueous solution and ammonium persulfate in the reaction kettle for 1.1h to obtain a mixed solution, carrying out suction filtration on the mixed solution, then carrying out vacuum drying on filter residues, controlling the temperature at 62 ℃ during vacuum drying to 0.094MPa for 4.2h, and obtaining the modified nano silicon dioxide after the vacuum drying is finished;
the particle size of the nano silicon dioxide is 90nm;
wherein the weight ratio of the nano silicon dioxide to the ethanol is 1:62;
wherein the weight ratio of the silicon dioxide suspending agent to the silane coupling agent KH-560 to the dimethyl diallyl ammonium chloride aqueous solution to the ammonium persulfate is 60:2.5:4:0.12;
the mass fraction of the dimethyldiallylammonium chloride in the dimethyldiallylammonium chloride aqueous solution is 61 percent.
The preparation method of the water electret master batch specifically comprises the following steps: the preparation method comprises the steps of weighing polypropylene resin, superfine calcium carbonate, ethylene bis stearamide, modified nano silicon dioxide, zinc stearate, antioxidant 1010 and stearic acid according to preset weight portions, adding the materials into a high-speed mixer for high-speed mixing, controlling the rotating speed during high-speed mixing to be 1900rpm and the time to be 5min, obtaining premix after high-speed mixing, adding the premix into a double-screw extruder for melt extrusion granulation, and controlling the temperature of the double-screw extruder to be: one region 182 ℃, two regions 192 ℃, three regions 205 ℃, four regions 215 ℃, five regions 205 ℃, six regions 198 ℃, seven regions 192 ℃ and the twin-screw rotating speed of 180rpm, and the water electret master batch is obtained after the melt extrusion granulation.
The application of the water electret master batch in the preparation of melt-blown cloth comprises the following specific steps:
1. producing melt blown cloth: the water electret master batch is sprayed out through a spinneret plate after being melted, the aperture of the spinneret plate is controlled to be 0.15mm, the temperature is 260 ℃, after being sprayed out from the spinneret plate, the water electret master batch is drafted under the action of high-speed hot air, the temperature of the high-speed hot air during the drafted is controlled to be 200 ℃, the frequency is 45Hz, and cooling and bonding are carried out after the drafted, so that melt-blown cloth is obtained;
2. preparing a standing liquid: using ultrapure water as a electret liquid for an electret step;
3. pole-standing: adding the electret liquid into a water jet electret device, then carrying out water jet electret treatment on the melt-blown cloth by using the water jet electret device, controlling the water pressure of a water jet nozzle in the water jet electret treatment to be 15bar, and obtaining the melt-blown cloth after the water jet electret treatment is finished;
4. and (3) surface spray modification: uniformly spraying the modified liquid to the melt-blown cloth after the residence of the pole, and controlling the spraying amount to be 10-15g/m 2 After the spraying is finished, melt-blown cloth with the surface subjected to spray modification is obtained;
the modified liquid consists of the following components in parts by weight: 7 parts of polyvinyl alcohol 1788,3 parts of sodium hexametaphosphate, 1.5 parts of beta-cyclodextrin, 0.25 part of polyvinyl amine and 102 parts of ultrapure water;
5. and (3) drying: introducing the melt-blown cloth subjected to surface spray modification into a closed oven, then introducing mixed gas of air and nitrogen into the closed oven for drying, controlling the temperature of the mixed gas to be 68 ℃, controlling the volume ratio of the air to the nitrogen in the mixed gas to be 6.5:1, and measuring the water content of the melt-blown cloth subjected to surface spray modification every 1.5min in the drying process, and when the water content in the melt-blown cloth reaches 6.5%, guiding out the melt-blown cloth subjected to surface spray modification to obtain the water-resident melt-blown cloth.
Example 3
The water electret master batch comprises the following components in parts by weight: 160 parts of polypropylene resin, 40 parts of superfine calcium carbonate, 5 parts of ethylene bis stearamide, 15 parts of modified nano silicon dioxide, 3 parts of zinc stearate, 3 parts of antioxidant 1010,2 parts of stearic acid;
the melt index of the polypropylene resin is 1400g/10min at 230 ℃ under the condition of 2.16 kg;
the particle size of the superfine calcium carbonate is 0.05 mu m;
the preparation method of the modified nano silicon dioxide comprises the following steps: adding nano silicon dioxide into absolute ethyl alcohol, and stirring for 45min at a stirring speed of 120rpm at 45 ℃ to obtain silicon dioxide suspension; adding a silicon dioxide suspension and a silane coupling agent KH-560 into a reaction kettle, vacuumizing the reaction kettle to a vacuum degree of 0.098MPa, introducing nitrogen into the reaction kettle to a gas pressure of 0.15MPa, controlling the temperature of the reaction kettle to 35 ℃, starting stirring and controlling the stirring speed to 180rpm, stirring for 45min, continuing stirring for 1.2h to obtain a mixed solution, carrying out suction filtration on the mixed solution, then carrying out vacuum drying on filter residues, controlling the temperature at 65 ℃ during vacuum drying to 0.095MPa for 4.5h, and obtaining the modified nano silicon dioxide after the vacuum drying is finished;
the particle size of the nano silicon dioxide is 100nm;
wherein the weight ratio of the nano silicon dioxide to the ethanol is 1:65;
wherein the weight ratio of the silicon dioxide suspending agent to the silane coupling agent KH-560 to the dimethyl diallyl ammonium chloride aqueous solution to the ammonium persulfate is 60:3:5:0.15;
the mass fraction of the dimethyldiallylammonium chloride in the dimethyldiallylammonium chloride aqueous solution is 62 percent.
The preparation method of the water electret master batch specifically comprises the following steps: the preparation method comprises the steps of weighing polypropylene resin, superfine calcium carbonate, ethylene bis stearamide, modified nano silicon dioxide, zinc stearate, antioxidant 1010 and stearic acid according to preset weight portions, adding the materials into a high-speed mixer for high-speed mixing, controlling the rotating speed during high-speed mixing to be 2000rpm, controlling the time to be 4-6min, obtaining premix after high-speed mixing, adding the premix into a double-screw extruder for melt extrusion granulation, and controlling the temperature of the double-screw extruder to be: the water-resident master batch is obtained after the melt extrusion granulation is finished, wherein the rotation speed of a double screw is 200rpm at 185 ℃ in one region, 195 ℃ in two regions, 210 ℃ in three regions, 220 ℃ in four regions, 210 ℃ in five regions, 200 ℃ in six regions and 195 ℃ in seven regions.
The application of the water electret master batch in the preparation of melt-blown cloth comprises the following specific steps:
1. producing melt blown cloth: the water electret master batch is sprayed out through a spinneret plate after being melted, the aperture of the spinneret plate is controlled to be 0.2mm, the temperature is 270 ℃, after being sprayed out from the spinneret plate, the water electret master batch is drafted under the action of high-speed hot air, the temperature of the high-speed hot air during the drafted is controlled to be 210 ℃, the frequency is 50Hz, and cooling and bonding are carried out after the drafted is finished, so that melt-blown cloth is obtained;
2. preparing a standing liquid: using ultrapure water as a electret liquid for an electret step;
3. pole-standing: adding the electret liquid into a water jet electret device, then carrying out water jet electret treatment on the melt-blown cloth by using the water jet electret device, controlling the water pressure of a water jet nozzle in the water jet electret treatment to be 16bar, and obtaining the melt-blown cloth after the water jet electret treatment is finished;
4. and (3) surface spray modification: uniformly spraying the modified liquid to the melt-blown cloth after the residence of the electrode, and controlling the spraying amount to be 15g/m 2 After the spraying is finished, melt-blown cloth with the surface subjected to spray modification is obtained;
the modified liquid consists of the following components in parts by weight: 8 parts of polyvinyl alcohol 1788,4 parts of sodium hexametaphosphate, 2 parts of beta-cyclodextrin, 0.3 part of polyvinyl amine and 105 parts of ultrapure water;
5. and (3) drying: introducing the melt-blown fabric subjected to surface spray modification into a closed oven, then introducing mixed gas of air and nitrogen into the closed oven for drying, controlling the temperature of the mixed gas to be 70 ℃, controlling the volume ratio of the air to the nitrogen in the mixed gas to be 7:1, and measuring the water content of the melt-blown fabric subjected to surface spray modification every 2min in the drying process, and when the water content in the melt-blown fabric reaches 7%, guiding out the melt-blown fabric subjected to surface spray modification to obtain the water-resident electrode melt-blown fabric.
Comparative example 1
The composition, preparation method and application of the water-resident master batch in preparation of melt blown cloth are adopted in the embodiment 1, and the difference is that: the nano silicon dioxide with the particle size of 80nm is used for replacing the modified nano silicon dioxide in the composition of the water-resident master batch.
Comparative example 2
The composition, preparation method and application of the water-resident master batch in preparation of melt blown cloth are adopted in the embodiment 1, and the difference is that: the 4 th step of surface spray modification is omitted in the application of the water electret master batch in the preparation of the melt-blown fabric, namely the melt-blown fabric after electret is directly dried.
Test example 1
The surface charges of the water-resident meltblown fabrics prepared in examples 1-3 and comparative examples 1-2 were respectively tested as initial surface charges, and then left to stand in an environment with a temperature of 30 ℃ and a humidity of 60% for 2 years, and then the surface charges were continuously tested as surface charges after 2 years, and then the charge decay rate was calculated, and at the same time, whether the water-resident meltblown fabrics prepared in examples 1-3 and comparative examples 1-2 had yellowing phenomenon was recorded, and the calculation formula, calculation result, and recording result were as follows:
charge decay rate = (initial surface charge-surface charge after 2 years)/initial surface charge × 100%
Test example 2
The water-standing meltblown fabrics prepared in examples 1-3 and comparative examples 1-2 were tested for machine direction softness, cross-machine direction softness, machine direction tensile strength, cross-machine direction tensile strength, machine direction elongation at break, cross-machine direction elongation at break, respectively, as follows:
the percentages used in the present invention are mass percentages unless otherwise indicated.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The water electret master batch is characterized by comprising the following components in parts by weight: 150-160 parts of polypropylene resin, 30-40 parts of superfine calcium carbonate, 3-5 parts of ethylene bis stearamide, 12-15 parts of modified nano silicon dioxide, 1.5-3 parts of zinc stearate, 2-3 parts of antioxidant 1010,1-2 parts of stearic acid;
the melt index of the polypropylene resin is 1200-1400g/10min at 230 ℃ under the condition of 2.16 kg;
the grain diameter of the superfine calcium carbonate is 0.03-0.05 mu m;
the preparation method of the modified nano silicon dioxide comprises the following steps: adding nano silicon dioxide into absolute ethyl alcohol, and stirring at 40-45 ℃ to obtain silicon dioxide suspension; adding a silicon dioxide suspension and a silane coupling agent KH-560 into a reaction kettle, vacuumizing the reaction kettle to a vacuum degree of 0.096-0.098MPa, introducing nitrogen into the reaction kettle until the gas pressure of the nitrogen is 0.12-0.15MPa, controlling the temperature of the reaction kettle to 30-35 ℃, stirring for 40-45min, adding a dimethyl diallyl ammonium chloride aqueous solution and ammonium persulfate into the reaction kettle, continuously stirring for 1-1.2h to obtain a mixed solution, carrying out suction filtration on the mixed solution, then carrying out vacuum drying on filter residues, and obtaining the modified nano silicon dioxide after the vacuum drying is finished;
the particle size of the nano silicon dioxide is 80-100nm;
the weight ratio of the nano silicon dioxide to the ethanol is 1:60-65;
the weight ratio of the silica suspending agent to the silane coupling agent KH-560 to the dimethyl diallyl ammonium chloride aqueous solution to the ammonium persulfate is 60:2-3:3-5:0.1-0.15;
the mass fraction of the dimethyldiallylammonium chloride in the dimethyldiallylammonium chloride aqueous solution is 60-62%;
the application of the water electret master batch in the preparation of melt-blown cloth comprises the steps of producing melt-blown cloth, preparing electret liquid, electret, surface spray modification and drying;
the surface is sprayed and modified, the modified liquid is uniformly sprayed to melt-blown cloth after the residence pole, and the spraying amount is controlled to be 10-15g/m 2 SprayingObtaining melt-blown cloth with the surface subjected to spray modification after spraying;
the modified liquid consists of the following components in parts by weight: 5-8 parts of polyvinyl alcohol 1788,2-4 parts of sodium hexametaphosphate, 1-2 parts of beta-cyclodextrin, 0.2-0.3 part of polyvinyl amine and 100-105 parts of ultrapure water.
2. The preparation method of the water-resident master batch according to claim 1, which is characterized in that the polypropylene resin, the superfine calcium carbonate, the ethylene bis-stearamide, the modified nano silicon dioxide, the zinc stearate, the antioxidant 1010 and the stearic acid are weighed according to the preset weight portions and added into a high-speed mixer to be mixed at a high speed, the premix is obtained after the high-speed mixing, the premix is added into a double-screw extruder to be subjected to melt extrusion granulation, and the water-resident master batch is obtained after the melt extrusion granulation is finished.
3. The method for preparing the water-resident master batch according to claim 2, wherein the rotation speed during high-speed mixing is 1800-2000rpm for 4-6min;
the temperature of the double-screw extruder is as follows: 180-185 ℃ in the first area, 190-195 ℃ in the second area, 200-210 ℃ in the third area, 210-220 ℃ in the fourth area, 200-210 ℃ in the fifth area, 195-200 ℃ in the sixth area, 190-195 ℃ in the seventh area, and the twin-screw rotating speed is 150-200rpm.
4. The water-resident master batch according to claim 1, wherein the melt-blown cloth is produced by melting the water-resident master batch, spraying the melted water-resident master batch through a spinneret plate, controlling the aperture of the spinneret plate to be 0.1-0.2mm, controlling the temperature to be 250-270 ℃, stretching the melted water-resident master batch under the action of high-speed hot air after the melted water-resident master batch is sprayed out of the spinneret plate, controlling the temperature of the high-speed hot air during the stretching to be 190-210 ℃, controlling the frequency to be 40-50Hz, and cooling and bonding after the stretching is finished to obtain the melt-blown cloth.
5. The water-resident master batch according to claim 1, wherein the preparation of a resident liquid uses ultrapure water as a resident liquid for the resident step.
6. The water electret master batch according to claim 1, wherein the electret is characterized in that the electret is added with the electret liquid into a water-needling electret device, then the water-needling electret device is used for carrying out water-needling electret treatment on the melt-blown cloth, the water pressure of a water liquid nozzle in the water-needling electret treatment is controlled to be 14-16bar, and the melt-blown cloth after the end of the water-needling electret treatment is obtained.
7. The water-resident master batch according to claim 1, wherein the drying is carried out, the melt-blown cloth with the surface subjected to spray modification is introduced into a closed oven, then the mixed gas of air and nitrogen is introduced into the closed oven for drying, the water content of the melt-blown cloth with the surface subjected to spray modification is measured every 1-2min in the drying process, and when the water content in the melt-blown cloth reaches 6-7%, the melt-blown cloth with the surface subjected to spray modification is led out to obtain the water-resident melt-blown cloth;
in the drying process, the temperature of the mixed gas is 65-70 ℃, the volume ratio of air to nitrogen in the mixed gas is 6-7:1, and the introducing speed of the mixed gas is 50-60L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211681694.0A CN116199970B (en) | 2022-12-27 | 2022-12-27 | Water-resident master batch, preparation method and application thereof in preparation of melt-blown cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211681694.0A CN116199970B (en) | 2022-12-27 | 2022-12-27 | Water-resident master batch, preparation method and application thereof in preparation of melt-blown cloth |
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| 改性二氧化硅/NR纳米复合材料结构与性能研究;况波等;橡胶工业;第56卷(第7期);第398-401页 * |
| 改性熔喷聚丙烯非织造布的制备和性能研究;黄景莹;中国优秀硕士学位论文全文数据库（电子期刊）(第07期);第B024-74页 * |
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